Flood Zones: Ayer vs Lowell
How do flood zones rules compare between Ayer, MA and Lowell, MA?
Ayer and Lowell have similar restriction levels.
Ayer, MA
Middlesex County
Ayer's Floodplain Overlay District in Article 8 of the Zoning Bylaw regulates all FEMA Zone A and AE special flood hazard areas shown on the Middlesex County FIRM panels dated June 4, 2010, with new construction and encroachments generally prohibited.
View full Ayer rules →Lowell, MA
Middlesex County
Lowell lies along the Merrimack and Concord Rivers with extensive FEMA Special Flood Hazard Areas, and all construction in those zones must meet the Massachusetts Floodplain Overlay and NFIP standards.
View full Lowell rules →Key Facts Comparison
| Fact | Ayer | Lowell |
|---|---|---|
| Code Section | Zoning Bylaw Article 8 (FOD) | - |
| FEMA Zones | A and AE | - |
| FIRM Effective Date | June 4, 2010 | - |
| FIRM Panels | 25017C0203E-0217E (8 panels) | - |
| Standard | 780 CMR flood-resistant | - |
| Primary river | - | Merrimack River |
| Freeboard | - | 1 foot above BFE |
| Historic floods | - | 1936, 1987, 2006, 2007 |
| Insurance | - | Required in SFHA |
Highlighted rows indicate differences between cities.
Ayer FAQ
Is my Ayer property in a flood zone?
Check FEMA's Map Service Center for Middlesex County FIRM panels effective June 4, 2010 to see if you are in Zone A or AE.
Can I build in Ayer's floodplain?
New construction in the Floodplain Overlay District is prohibited unless it meets 780 CMR flood-resistant standards and earns a special permit.
What FIRM panels cover Ayer?
Panels 25017C0203E, 0204E, 0208E, 0209E, 0211E, 0212E, 0216E, and 0217E, all dated June 4, 2010.
Lowell FAQ
How do I check if my Lowell property is in a flood zone?
Use the FEMA Flood Map Service Center at msc.fema.gov and enter your address; also confirm with Lowell Development Services.
Can I build an addition in a Lowell flood zone?
Yes if it meets the Floodplain Overlay standards including elevation above BFE plus 1 foot of freeboard and flood-resistant materials.
Compare other topics
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